- المجال: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A sand containing particles of iron ore (usually magnetite), as along a coastal area.
Industry:Mining
A sand containing some coarse, fine, and medium particle sizes. It is not a uniform sand.
Industry:Mining
A sand derived predominantly from carbonate material such as corals, mollusc shells, algae, etc.
Industry:Mining
A sand or a sandstone deposited in a stream bed, or some other channel eroded into the underlying rock; it frequently contains oil, gold, or other valuable minerals.
Industry:Mining
A sand sampler made and used in the same manner as an American pump or sand pump, a.
Industry:Mining
A sand that is suitable for glassmaking because of its high silica content (93% to 99%) and its low content of iron oxide, chromium, cobalt, and other colorants.
Industry:Mining
A sandstone containing conspicuous layers or flakes of mica, usually muscovite.
Industry:Mining
A sandstone containing conspicuous layers or flakes of mica, usually muscovite.
Industry:Mining
A sandstone containing iron oxide as the cementing material, as grains, or both.
Industry:Mining